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Per Westermark
12/19/11 01:00
Read: 422 times
Sweden


 
#185155 - Capacitive solutions can be projective
Responding to: Jecksons Ben's previous message
Jecksons Ben said:
There simple homemade capacitive but made the cost of "box" high cost again,cause all entire surface from "conductor" plate.

If the box is made of metal, then all of the box will be handled without any surface sensor.

If the box is of plastic but contains metal, then the capacitive solution can be configured to project a distance from that metal - so it can detect events outside of the plastic box.

In the end, it's more a question of adaptive logic to know where the alarm is "on" and when it is "off".

List of 28 messages in thread
TopicAuthorDate
Freeze..thief protection      JecksonS Ben      12/10/11 07:27      
   Alarm Sensors      Joseph Hebert      12/10/11 11:06      
      Earth magnetic field sensor      Bert Van Den Berg      12/19/11 10:36      
         inexpensive solid state magnetic field      JecksonS Ben      12/20/11 01:36      
         It means..      JecksonS Ben      12/28/11 04:27      
            ???      Per Westermark      12/28/11 06:11      
               same      JecksonS Ben      12/31/11 04:12      
   Too vague!      Andy Neil      12/10/11 12:04      
      Cost - and what type of protection/detection      Per Westermark      12/10/11 13:21      
      How low is "low" cost?      Andy Neil      12/11/11 07:33      
         OK..great..maybe Links      JecksonS Ben      12/11/11 23:41      
            Still no idea what you actually want      Andy Neil      12/12/11 14:12      
      What exactly?      JecksonS Ben      12/12/11 23:53      
         Bounce        Per Westermark      12/13/11 00:59      
            OK      JecksonS Ben      12/14/11 00:32      
         If it's networked      Andy Neil      12/14/11 13:43      
            hard to handle      JecksonS Ben      12/15/11 01:19      
               Come on ... it requires a number        Richard Erlacher      12/15/11 08:42      
                  numbers      JecksonS Ben      12/16/11 01:02      
            cost and reliability        Joseph Hebert      12/16/11 06:36      
               cost      JecksonS Ben      12/17/11 03:44      
                  Does that mean you don't know what your price target it?      Richard Erlacher      12/17/11 08:57      
                  soft base      Joseph Hebert      12/17/11 10:11      
                     manufacture products      JecksonS Ben      12/18/11 03:07      
                        shock sensors        Joseph Hebert      12/18/11 16:17      
                           advice      JecksonS Ben      12/19/11 00:49      
                              Capacitive solutions can be projective      Per Westermark      12/19/11 01:00      
                                 metal..      JecksonS Ben      12/19/11 01:09      

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